Bicycle Archive · Specification report

2003 Eastern Bikes Pro Hercules

Velopedia Archive ID 30253

Overview

Model year	2003
Brand	Eastern Bikes
Model	Pro Hercules
Bicycle type	Freestyle/jumping
Archive ID	30253
Original MSRP	$605.99
Colors	Black
Sizes	Pro

Frameset

Frame construction	TIG-welded
Frame material	4130 chromoly
Fork	Eastern
Fork material	Chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	3-piece chromoly 175mm, 39 teeth
Bottom bracket	Three piece, sealed
BB shell width	American
Rear cogs	1-speed, 14 teeth
Chain	KMC Z710, 1/2 x 1/8"
Pedals	Eastern, replaceble pins

Brakes

Brakes	DiaTech 996 Hombre U-Brake brakes, Dia-Compe Tech 88 levers

Cockpit & contact points

Headset	1 1/8" threadless Dia-Compe Tank
Handlebar	Eastern 4-piece chromoly
Handlebar extensions	N/A
Stem	Eastern CNC
Saddle	Eastern 9mm rails
Seatpost	Chromoly micro-adjust

Wheels & tires

Hubs	Aluminum, 14mm axle
Rims	Sun Rims BFR, 48-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 1.95" Kenda Kikzumbut
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 2, 2026.